feat(catalog): add bounds filtering to list queries

- Add west/south/east/north params to HubsList, SuppliersList, ProductsList GraphQL
- Update useCatalogHubs to pass bounds to query
- Update useCatalogSuppliers to pass bounds to query
- Update useCatalogProducts to pass bounds to query

app/composables/useCatalogSuppliers.ts

@@ -47,7 +47,16 @@ export function useCatalogSuppliers() {
       // Default: fetch all suppliers from GEO (graph-based)
       const data = await execute(
         SuppliersListDocument,
-        { limit: PAGE_SIZE, offset },
+        {
+          limit: PAGE_SIZE,
+          offset,
+          ...(filterBounds.value && {
+            west: filterBounds.value.west,
+            south: filterBounds.value.south,
+            east: filterBounds.value.east,
+            north: filterBounds.value.north
+          })
+        },
         'public',
         'geo'
       )